EP 1054322 A2 20001122 - Computer system with multiple operating system operation
Title (en)
Computer system with multiple operating system operation
Title (de)
Computersystem mit mehreren Betriebssystem-Betrieben
Title (fr)
Système d'ordinateur opérant avec plusieurs systèmes d'exploitations
Publication
Application
Priority
JP 14091499 A 19990521
Abstract (en)
A computer system is provided with a scheme to making the input and output device provided in a computer in common for a plurality of operating system, in a multiple operating system control unit operating a plurality of mutually distinct operating systems on one computer system. The computer system includes a plurality of operating systems, and OS switching unit for switching a plurality of operating systems. The OS switching means makes reference to a preferential interrupt table on the basis of an interrupt factor for switching to corresponding operating system and calls interrupt processing means incorporated in the operating system. <IMAGE>
IPC 1-7
IPC 8 full level
G01S 19/48 (2010.01); G06F 9/06 (2006.01); G06F 9/455 (2006.01); G06F 9/46 (2006.01); G06F 9/48 (2006.01); G06F 13/10 (2006.01)
CPC (source: EP KR US)
G06F 9/45558 (2013.01 - EP US); G06F 9/46 (2013.01 - KR); G06F 9/4812 (2013.01 - EP US); G06F 9/4843 (2013.01 - EP US); G06F 2009/45579 (2013.01 - EP US)
Citation (applicant)
US 4993017 A 19910212 - BACHINGER GERHARD [DE], et al
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 1054322 A2 20001122; EP 1054322 A3 20031001; EP 1054322 B1 20150729; JP 2000330806 A 20001130; JP 3659062 B2 20050615; KR 100733852 B1 20070629; KR 20010014944 A 20010226; US 6615303 B1 20030902
DOCDB simple family (application)
EP 00304271 A 20000519; JP 14091499 A 19990521; KR 20000026970 A 20000519; US 57483900 A 20000519